40900180 has 12 divisors (see below), whose sum is σ = 85890420. Its totient is φ = 16360064.

The previous prime is 40900177. The next prime is 40900201. The reversal of 40900180 is 8100904.

It can be written as a sum of positive squares in 2 ways, for example, as 12873744 + 28026436 = 3588^2 + 5294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022485 + ... + 1022524.

It is an arithmetic number, because the mean of its divisors is an integer number (7157535).

Almost surely, 2^40900180 is an apocalyptic number.

It is an amenable number.

40900180 is an abundant number, since it is smaller than the sum of its proper divisors (44990240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40900180 is a wasteful number, since it uses less digits than its factorization.

40900180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045018 (or 2045016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 40900180 is about 6395.3248549233. The cubic root of 40900180 is about 344.5416583814.

The spelling of 40900180 in words is "forty million, nine hundred thousand, one hundred eighty".